Abstract
AbstractPoly(methyl methacrylate) (PMMA)‐functionalized multiwalled carbon nanotubes are prepared by in situ polymerization. Infrared absorbance studies reveal covalent bonding between polymer strands and the nanotubes. These treated nanotubes are blended with pure PMMA in solution before drop‐casting to form composite films. Increases in Young's modulus, breaking strength, ultimate tensile strength, and toughness of ×1.9, ×4.7, ×4.6, and ×13.7, respectively, are observed on the addition of less than 0.5 wt % of nanotubes. Effective reinforcement is only observed up to a nanotube content of approximately 0.1 vol %. Above this volume fraction, all mechanical parameters tend to fall off, probably due to nanotube aggregation. In addition, scanning electron microscopy (SEM) studies of composite fracture surfaces show a polymer layer coating the nanotubes after film breakage. The fact that the polymer and not the interface fails suggests that functionalization results in an extremely high polymer/nanotube interfacial shear strength.
Bibliography
Blond, D., Barron, V., Ruether, M., Ryan, K. P., Nicolosi, V., Blau, W. J., & Coleman, J. N. (2006). Enhancement of Modulus, Strength, and Toughness in Poly(methyl methacrylate)âBased Composites by the Incorporation of Poly(methyl methacrylate)âFunctionalized Nanotubes. Advanced Functional Materials, 16(12), 1608â1614. Portico.
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Dates
Type | When |
---|---|
Created | 19 years, 2 months ago (July 4, 2006, 9:29 a.m.) |
Deposited | 1 year, 9 months ago (Nov. 15, 2023, 1:46 p.m.) |
Indexed | 11 months, 3 weeks ago (Sept. 9, 2024, 7:37 p.m.) |
Issued | 19 years, 2 months ago (July 3, 2006) |
Published | 19 years, 2 months ago (July 3, 2006) |
Published Online | 19 years, 2 months ago (July 3, 2006) |
Published Print | 19 years, 1 month ago (Aug. 4, 2006) |
@article{Blond_2006, title={Enhancement of Modulus, Strength, and Toughness in Poly(methyl methacrylate)‐Based Composites by the Incorporation of Poly(methyl methacrylate)‐Functionalized Nanotubes}, volume={16}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.200500855}, DOI={10.1002/adfm.200500855}, number={12}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Blond, D. and Barron, V. and Ruether, M. and Ryan, K. P. and Nicolosi, V. and Blau, W. J. and Coleman, J. N.}, year={2006}, month=jul, pages={1608–1614} }